$('.dl-qqimg').hover(function(){
    $('.dl-qqimg-none').css('display','block')
},function(){
    $('.dl-qqimg-none').css('display','none')
})
// 切换二维码登录
$('.dl-sj').click(function(){
    $('.dl-none').css('display','block')
})
// 切回账号登录
$('.dl-sj-none').click(function(){
    $('.dl-none').css('display','none')
})
$(function(){
    code_draw()
  })



// 点击登录判断账号

// $('.block-btn').click(function(){
//
//     if (val == '') {
       
//         ;
//         return
//     } else if (val != num) {
//         nonets.innerText = "验证码错误！请重新输入";
//         return
//     }if(val==num){
//         nonets.innerText=''
//         if(){
//             console.log(123);
//             nonets.style.display='none';
//             return true;
//             }
//     }
//   }
// })

  
// //   账号与密码不匹配弹出
//  
    
//    if(username.value!=localStorage.getItem('phone')&&passw.value==localStorage.getItem('password')){
//         nonets1.style.display='block';
//         return false;
//   }if(username.value==localStorage.getItem('phone')&&passw.value!=localStorage.getItem('password')){
//     nonets1.style.display='block';
//     return false;
//   }else{
      // 验证码是否通过
    // 账户
      var username=document.querySelector('.zhanghu');
    // 密码
      var passw=document.querySelector('.dlmima')
   
    
    // 提示
    var nonets = document.querySelector('.none-tishi');
  
//   隐藏的提示框
    var nonets1=document.querySelector('.none-ts')
$('.block-btn').click(function(){
     // 将输入的内容转为大写，可通过这步进行大小写验证
     var val = $(".photo").val().toLowerCase();
       // 获取生成验证码值
    var num = $('#canvas').attr('data-code');
   
//  判断登录
    if($('.zhanghu').val()==''){
        nonets.innerText = "用户名为空"
    }else if($('.dlmima').val()==''){
        nonets.innerText = "密码为空";
    }else if(val==''){
        nonets.innerText = "验证码为空";
    }else if(username.value!=localStorage.getItem('phone')){
        nonets.innerText = "账户名与密码不匹配，请重新输入"
    }else if(passw.value!=localStorage.getItem('password')){
        nonets.innerText = "账户名与密码不匹配，请重新输入"
    }else if(val!=num){
        nonets.innerText = "验证码错误"
    }else if(username.value==localStorage.getItem('phone')&&passw.value==localStorage.getItem('password')&&val==num){
        location.href = "./index.html";
        }
}) 



// 点击验证码 刷新验证码


$("#canvas").on('click', function () {
    code_draw();
})

// 验证码方法
function code_draw() {
    var canvas_width = $('#canvas').width();
    var canvas_height = $('#canvas').height();
    var canvas = document.getElementById("canvas"); //获取到canvas的对象，演员
    var context = canvas.getContext("2d"); //获取到canvas画图的环境，演员表演的舞台
    canvas.width = canvas_width;
    canvas.height = canvas_height;
    var sCode = "A,B,C,E,F,G,H,J,K,L,M,N,P,Q,R,S,T,W,X,Y,Z,1,2,3,4,5,6,7,8,9,0"; //取值范围
    var aCode = sCode.split(",");
    var aLength = aCode.length; //获取到数组的长度
    var value = [];
    for (var i = 0; i <= 3; i++) {
        var j = Math.floor(Math.random() * aLength); //获取到随机的索引值
        var deg = Math.random() * 30 * Math.PI / 180; //产生0~30之间的随机弧度
        var txt = aCode[j]; //得到随机的一个内容
        value[i] = txt.toLowerCase();
        var x = 10 + i * 20; //文字在canvas上的x坐标
        var y = 20 + Math.random() * 8; //文字在canvas上的y坐标
        context.font = "bold 23px 微软雅黑";

        context.translate(x, y);
        context.rotate(deg);

        context.fillStyle = code_randomColor();
        context.fillText(txt, 0, 0);

        context.rotate(-deg);
        context.translate(-x, -y);
    }
    // 将生成的值以属性的方法添加到元素
    value = value.join("");
    $('#canvas').attr('data-code', value)
    //验证码上显示线条
    for (var i = 0; i <= 5; i++) {
        context.strokeStyle = code_randomColor();
        context.beginPath();
        context.moveTo(Math.random() * canvas_width, Math.random() * canvas_height);
        context.lineTo(Math.random() * canvas_width, Math.random() * canvas_height);
        context.stroke();
    }
    //验证码上显示小点
    for (var i = 0; i <= 30; i++) {
        context.strokeStyle = code_randomColor();
        context.beginPath();
        var x = Math.random() * canvas_width;
        var y = Math.random() * canvas_height;
        context.moveTo(x, y);
        context.lineTo(x + 1, y + 1);
        context.stroke();
    }
}

function code_randomColor() { //得到随机的颜色值
    var r = Math.floor(Math.random() * 256);
    var g = Math.floor(Math.random() * 256);
    var b = Math.floor(Math.random() * 256);
    return "rgb(" + r + "," + g + "," + b + ")";
}

